Related logs from journalctl -b: os-prober[6348]: debug: running /usr/lib/os-probes/10zvol-test on /dev/sda5 os-prober[6351]: debug: running /usr/lib/os-probes/50mounted-tests on /dev/sda5 50mounted-tests[6361]: debug: creating device mapper device /dev/mapper/osprober-linux-sda5 kernel: device-mapper: table: 253:0: linear: Device lookup failed kernel: device-mapper: ioctl: error adding target to table
Running "sudo sh -x /usr/lib/os-probes/50mounted-tests /dev/sda5" shows that it fails with: + logger -t 50mounted-tests debug: creating device mapper device /dev/mapper/osprober-linux-sda5 + dmsetup create -r osprober-linux-sda5 + echo 0 14706655 linear /dev/sda5 0 device-mapper: reload ioctl on osprober-linux-sda5 failed: Device or resource busy Command failed. + dm_device= + [ ] + do_unmount + [ ] + [ -e ] + rmdir /var/lib/os-prober/mount + exit 1 "sudo dmsetup ls" / status / info report that "No devices found". -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1848496 Title: [zfs-root] device-mapper: reload ioctl on osprober-linux-sda5 failed: Device or resource busy Status in os-prober package in Ubuntu: New Status in zfs-linux package in Ubuntu: New Bug description: On a 19.10 (pre-release, 20191016 daily) zfs installation, running 'os-prober' (as 'update-grub' does by default) triggers the following error message: x@x:~$ sudo os-prober; echo $? device-mapper: reload ioctl on osprober-linux-sda5 failed: Device or resource busy Command failed. 0 x@x:~$ The exit code is 0, so update-grub does not fail as a result. Partitions on the only available storage (automatically setup by installer): x@x:~$ sudo fdisk /dev/sda -l Disk /dev/sda: 10 GiB, 10737418240 bytes, 20971520 sectors Disk model: VBOX HARDDISK Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: AB7BECFB-5946-48B2-9C59-D2B1261E29A5 Device Start End Sectors Size Type /dev/sda1 2048 1050623 1048576 512M EFI System /dev/sda2 1050624 1153023 102400 50M Linux filesystem /dev/sda3 1153024 2070527 917504 448M Linux swap /dev/sda4 2070528 6264831 4194304 2G Solaris boot /dev/sda5 6264832 20971486 14706655 7G Solaris root x@x:~$ ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: os-prober 1.74ubuntu2 ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1 Uname: Linux 5.3.0-18-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu8 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Thu Oct 17 14:19:59 2019 InstallationDate: Installed on 2019-10-17 (0 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191016.5) SourcePackage: os-prober UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1848496/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
